Mark the letter A, B, C or D to indicate the correct answer to each of the following questions.

Câu hỏi

We invited students from across the country to send us their ideas for protecting and ________our heritage

A. maintaining

B. balancing

C. bringing

D. promoting

Đáp án
D. promoting

Câu hỏi thuộc Bài tập:

E11- GS- Unit 6- Practice 4